Question 1

Decreased renal filtration that occurs with aging can be the result of

Accepted Answer

A)  increased respiratory effort.
B)  decreased cardiac output.
C)  increased fluid volume.
D)  decreased ADH secretion.
E)  decreased peripheral resistance.

Question 2

Which germ layer are the bones (except facial) derived from?

Accepted Answer

A)  ectoderm
B)  mesoderm
C)  endoderm

Question 3

Many gerontologists refer to walking as one of the most important anti-aging activities to prolong life.This is because a daily 30-minute walk

Accepted Answer

A)  increases blood pressure.
B)  improves circulation.
C)  promotes anaerobic metabolism.
D)  increases urine output.
E)  increases peripheral resistance.

Question 4

Which of the following is an example of incomplete dominance?

Accepted Answer

A)  minor thalassemia
B)  major thalassemia
C)  beta thalassemia
D)  polymorphism
E)  ABO blood groups

Question 5

The actual genetic constitution of an individual is its

Accepted Answer

A)  structural gene.
B)  autosome.
C)  genotype.
D)  polygenic.
E)  y-linked.

Question 6

Which of the following is formed from mesoderm?

Accepted Answer

A)  autonomic neurons
B)  dermis of the skin
C)  adrenal medulla
D)  teeth
E)  tonsils

Question 7

An infant born with a gestational age of 254 days would be considered

Accepted Answer

A)  premature.
B)  normal maturity.
C)  postmature.
D)  immature.
E)  None of these choices is correct.

Question 8

Which gland is derived from both neural crest cells and mesoderm?

Accepted Answer

A)  anterior pituitary gland
B)  posterior pituitary gland
C)  thyroid gland
D)  adrenal glands
E)  pancreas

Question 9

The hormone responsible for milk production is

Accepted Answer

A)  estrogen.
B)  progesterone.
C)  oxytocin.
D)  prolactin.
E)  FSH.

Question 10

Cryptorchidism

Accepted Answer

A)  is the failure of the testes to descend into the scrotal sac.
B)  may be due to excessive amounts of testosterone in the fetus.
C)  has no effect on fertility.
D)  results in feminization of the male fetus.
E)  is the lack of testes.

Question 11

One reason for the increased incidence of cancer with aging is a decrease in

Accepted Answer

A)  urine output.
B)  cardiac output.
C)  red blood cells.
D)  functioning of T lymphocytes.
E)  functioning neutrophils.

Question 12

The gonads appear as the

Accepted Answer

A)  paramesonephrons.
B)  urogenital folds.
C)  labioscrotal swellings.
D)  gonadal ridges.
E)  gonadal grooves.

Question 13

Which germ layer is the urinary bladder derived from?

Accepted Answer

A)  ectoderm
B)  mesoderm
C)  endoderm

Question 14

At the time of implantation,the human embryo is in a stage of development known as the

Accepted Answer

A)  fetus.
B)  zygote.
C)  morula.
D)  blastocyst.
E)  egg.

Question 15

An organism's genetic makeup is its ____ while its physical appearance is its ____.

Accepted Answer

A)  chromotype; phenotype
B)  genotype; phenotype
C)  phenotype; genotype
D)  genotype; chromotype
E)  aminotype; prototype

Question 16

Which of the following organs develops from evaginations along the early digestive tract?

Accepted Answer

A)  heart
B)  adrenal medulla
C)  lungs
D)  nasal cavity
E)  kidneys

Question 17

The oropharyngeal and cloacal membranes,when opened,allow the _____ to open to the outside.

Accepted Answer

A)  liver
B)  skin
C)  lungs
D)  digestive tract
E)  ears

Question 18

Muscle strength peaks in a(n)

Accepted Answer

A)  child.
B)  adolescent.
C)  young adult.
D)  middle aged adult.
E)  elderly adult.

Question 19

The onset of puberty is signaled by

Accepted Answer

A)  a growth spurt.
B)  emotional upheaval.
C)  attainment of full adult stature.
D)  the ability to obtain a drivers license.
E)  a halt to growth.

Question 20

APGAR scores are used to

Accepted Answer

A)  evaluate a newborn's weight.
B)  assess a newborn's physiological condition.
C)  measure a newborn's genetic state.
D)  determine the developmental age of the infant.
E)  measure the infant.

Exam 29: Development,growth,aging,and Genetics

Which germ layer is the urinary bladder derived from?

Correct AnswerverifiedShow Answer

Cryptorchidism

Correct AnswerverifiedShow Answer

Which gland is derived from both neural crest cells and mesoderm?

Correct AnswerverifiedShow Answer

An organism's genetic makeup is its ____ while its physical appearance is its ____.

Correct AnswerverifiedShow Answer

Which germ layer are the bones (except facial) derived from?

Correct AnswerverifiedShow Answer

The hormone responsible for milk production is

Correct AnswerverifiedShow Answer

At the time of implantation,the human embryo is in a stage of development known as the

Correct AnswerverifiedShow Answer

Decreased renal filtration that occurs with aging can be the result of

Correct AnswerverifiedShow Answer

Which of the following is formed from mesoderm?

Correct AnswerverifiedShow Answer

The onset of puberty is signaled by

Correct AnswerverifiedShow Answer

Many gerontologists refer to walking as one of the most important anti-aging activities to prolong life.This is because a daily 30-minute walk

Correct AnswerverifiedShow Answer

Which of the following organs develops from evaginations along the early digestive tract?

Correct AnswerverifiedShow Answer

The gonads appear as the

Correct AnswerverifiedShow Answer

APGAR scores are used to

Correct AnswerverifiedShow Answer

An infant born with a gestational age of 254 days would be considered

Correct AnswerverifiedShow Answer

Which of the following is an example of incomplete dominance?

Correct AnswerverifiedShow Answer

The oropharyngeal and cloacal membranes,when opened,allow the _____ to open to the outside.

Correct AnswerverifiedShow Answer

The actual genetic constitution of an individual is its

Correct AnswerverifiedShow Answer

Muscle strength peaks in a(n)

Correct AnswerverifiedShow Answer

One reason for the increased incidence of cancer with aging is a decrease in

Correct AnswerverifiedShow Answer

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An organism's genetic makeup is its while its physical appearance is its .

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